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- No image when PC is switched on - HP Prodesk 400 G7

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04-17-2024 03:17 AM
Hello,
I have had an HP ProDesk 400 G7 for some time.
I haven't used it in 1 year. I wanted to use it today and I have no image on the screen. I tested 3 different screens, different cables, different graphics cards and the iGPU. I've cleaned everything and tried other RAMs, but nothing works. Can you help me?
Have a nice day!
04-17-2024 10:40 AM
You're to be commended for all the testing you did -- a LOT more than most folks would do -- and you've basically ruled out a purely DISPLAY issue.
My guess is the motherboard has failed -- especially if you get no response to the keyboard and mouse..
I don't know if this will help, but Here is an HP document regarding things to do if your computer does not boot or start:
https://support.hp.com/us-en/document/ish_3974055-3873564-16
I am a volunteer and I do not work for, nor represent, HP